#3945BE#3945BE

#3945BE is a mid, vivid blue. Relative luminance 0.088; OKLCH L 46.0% C 0.188 H 272.2°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#3945BE
RGB	rgb(57, 69, 190)
HSL	hsl(235, 54%, 48%)
HSV	hsv(235, 70%, 75%)
CMYK	cmyk(70%, 63.7%, 0%, 25.5%)
CIE-LAB	lab(35.68, 35.56, -64.91)
CIE-LCH	lch(35.68, 74.01, 298.72°)
OKLab	oklab(45.98% 0.0073 -0.1874)
OKLCH	oklch(45.98% 0.188 272.2)
XYZ	xyz(13.1066, 8.8425, 49.7213)
Luminance	0.0884 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3945BE #BEB239

analogous

#3987BE #3945BE #6F39BE

triadic

#3945BE #BE3945 #45BE39

tetradic

#3945BE #BE3987 #BEB239 #39BE6F

square

#3945BE #BE3987 #BEB239 #39BE6F

split-complementary

#3945BE #BE6F39 #87BE39

monochromatic

#1D2360 #2B348F #3945BE #646ED0 #939ADF

Accessibility & contrast

On white

7.58

#3945BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#3945BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3945BE

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3945BE	#FFFFFF	#000000	##FFFFFF
##3945BE	1.00	7.58	2.77	7.58
#FFFFFF	7.58	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC2

Deuteranopia (green-blind)

#004EBC

Tritanopia (blue-blind)

#00647B

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3945be;
/* rgb */ color: rgb(57, 69, 190);
/* oklch */ color: oklch(46.0% 0.188 272.2);

Tailwind

colors: {
  custom: {
    50: '#8179d3',
    500: '#3945be',
    950: '#000000',
  },
}

SCSS

$custom: #3945be;
$custom-light: #8179d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3945be",
  "rgb": {
    "r": 57,
    "g": 69,
    "b": 190
  },
  "hsl": {
    "h": 234.586,
    "s": 53.846,
    "l": 48.431
  },
  "oklch": {
    "l": 0.45979,
    "c": 0.18757,
    "h": 272.2
  },
  "luminance": 0.08844
}

Semantic roles & 50–950 ramp

primary

#3945BE

secondary

#CAC489

accent

#D04BDD

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3945BE

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →